Adjustable bed frame



FIG. 1 is a perspective view of an adjustable bed frame showing my design;

FIG. 2 is a top plan view;

FIG. 3 is a side elevational view;

FIG. 4 is a bottom plan view;

FIG. 5 is an elevational view, showing the side opposite that shown in FIG. 3;

FIG. 6 is an end elevational view as seen from the left side of FIG. 3;

FIG. 7 is a right side of FIG. 3; and

FIG. 8 is a perspective view of an adjustable bed frame showing a second embodiment of my design. 

The ornamental design of a adjustable bed frame, as shown and described. 